Wednesday, 24 Jun, 2009 Technology
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Supercomputers from IBM and Cray Still Lead the Top 500

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The Top 500 list of most powerful supercomputers is still topped by Roadrunner, IBM's supercomputer with 1.105 petaflop/s. At the moment Roadrunner can be found at the DOE's Los Alamos National Laboratory (LANL).

The second place is held by Cray XT5 Jaguar, a supercomputer which was installed at the DOE's Oak Ridge National Laboratory, boasting 1.059 petaflop/s. The bronze goes to JUGENE, a new system developed by IBM BlueGene/P. The supercomputer was installed at the Forschungszentrum Juelich (FZJ) in Germany. The system reaches 825.5 teraflop/s but theoretically it can go slightly above 1 petaflop/s. The description of some of the upper mentioned computers were previously mentioned on our website infoniac.com, please check Related news box.

In addition, Top 500 informed that there was a considerable improvement in the development of quad-core processors, which today can be found in 383 systems, with just 102 systems making use of dual-core chips. The list features 399 systems that use processors developed by Intel, 55 systems that use IBM Power processors and 43 systems that use AMD Opteron family processors, reports TG Daily.

Nick Knupffer, the spokesperson for Intel, said that 33 systems include in the Top 500 were Nehalem based "only three months after launch."




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